Home / 51,897.13-71,623.32-31,767.31

Finding the Fourth Proportional to 51,897.13, 71,623.32 and 31,767.31

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Solution

The fourth proportional to 51,897.13, 71,623.32 and 31,767.31 is: 43,842.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,897.13 : 71,623.32 = 31,767.31 : x
  2. Step 2: Convert to fraction form
    51,897.13/71,623.32 = 31,767.31/x
  3. Step 3: Cross multiply
    51,897.13x = 71,623.32 × 31,767.31
  4. Step 4: Simplify right side
    51,897.13x = 2,275,280,418.33
  5. Step 5: Solve for x
    x = 2,275,280,418.33/51,897.13
  6. Step 6: Final answer
    x = 43,842.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.